Alternate character appearance:

At the character selection screen, hold L1 or R1 and select a character.

Easier Putt in Minigolf

While putting in the minigolf course, hold down the walk button and the aiming line will move a lot slower and make it easier to aim.

Expert difficulty level

Beat "Challenge" mode on the hard difficulty level.

Play as T-Rex

Beat "Challenge" mode on the hard difficulty level with the Elephant.

Secret options

Beat "Challenge" mode on the easy difficulty level to unlock a secret option to make people small. Beat "Challenge" mode on the medium difficulty level to unlock a secret option for more speed.

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